html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    overflow: hidden;
    display: inline-block;
}
#div_allbase
{
    width:800px;
    height:650px;
    position: absolute;
    top: 0px;
    left: 0px;
    float: left;
}
#div_Fus
{
    width: 512px;
    height: 512px;
    top: 10px;
    left: 10px;
    position: absolute;
}
#div_btnright
{
    width: 200px;
    height: 512px;
    top: 10px;
    left: 532px;
    position: absolute;
}
#div_btnbottom
{
    width: 800px;
    height: 120px;
    top: 530px;
    left: 0px;
    position: absolute;
}
